BUG: unable to handle page fault for address: fffff91ffff02000
#PF: supervisor read access in kernel mode
#PF: error_code(0x0000) - not-present page
PGD 21ffe6067 P4D 21ffe6067 PUD aa56b067 PMD aa56c067 PTE 0
Oops: 0000 [#1] PREEMPT SMP KASAN
CPU: 1 PID: 7844 Comm: syz-executor.2 Not tainted 5.4.0-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:memory_is_nonzero mm/kasan/generic.c:121 [inline]
RIP: 0010:memory_is_poisoned_n mm/kasan/generic.c:135 [inline]
RIP: 0010:memory_is_poisoned mm/kasan/generic.c:166 [inline]
RIP: 0010:check_memory_region_inline mm/kasan/generic.c:182 [inline]
RIP: 0010:check_memory_region+0x83/0x1d0 mm/kasan/generic.c:192
Code: 83 fb 10 0f 8e a9 00 00 00 45 89 c8 41 83 e0 07 75 66 4c 8d 43 07 48 85 db 4c 0f 49 c3 49 c1 f8 03 45 85 c0 0f 84 3f 01 00 00 <48> 83 38 00 75 1c 41 83 e8 01 4e 8d 44 c0 08 48 83 c0 08 49 39 c0
RSP: 0018:ffffc90002a77960 EFLAGS: 00010206
RAX: fffff91ffff02000 RBX: 0000000000001000 RCX: ffffffff818d210f
RDX: 0000000000000001 RSI: 0000000000008000 RDI: ffffe8ffff810000
RBP: ffffc90002a77978 R08: 0000000000000200 R09: fffff91ffff02000
R10: fffff91ffff02fff R11: ffffe8ffff817fff R12: fffff91ffff03000
R13: 0000000000000000 R14: fffffbfff1359c00 R15: 0000000000000000
FS:  00007fba9e18e700(0000) GS:ffff8880aeb00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: fffff91ffff02000 CR3: 000000007eab6000 CR4: 00000000001406e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 memset+0x23/0x40 mm/kasan/common.c:107
 memset include/linux/string.h:365 [inline]
 pcpu_alloc+0x47f/0xed0 mm/percpu.c:1734
 __alloc_percpu_gfp+0xd/0x10 mm/percpu.c:1783
 prealloc_init kernel/bpf/hashtab.c:154 [inline]
 htab_map_alloc+0x92e/0xfb0 kernel/bpf/hashtab.c:378
 find_and_alloc_map kernel/bpf/syscall.c:123 [inline]
 map_create kernel/bpf/syscall.c:654 [inline]
 __do_sys_bpf+0x339/0x35c0 kernel/bpf/syscall.c:3012
 __se_sys_bpf kernel/bpf/syscall.c:2989 [inline]
 __x64_sys_bpf+0x6e/0xb0 kernel/bpf/syscall.c:2989
 do_syscall_64+0xca/0x5f0 arch/x86/entry/common.c:294
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x45a679
Code: ad b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00
RSP: 002b:00007fba9e18dc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
RAX: ffffffffffffffda RBX: 00007fba9e18dc90 RCX: 000000000045a679
RDX: 000000000000003c RSI: 0000000020000380 RDI: 0000000000000000
RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007fba9e18e6d4
R13: 00000000004c0c65 R14: 00000000004d4730 R15: 0000000000000003
Modules linked in:
CR2: fffff91ffff02000
---[ end trace bc3dfae4ad0c5bb2 ]---
RIP: 0010:memory_is_nonzero mm/kasan/generic.c:121 [inline]
RIP: 0010:memory_is_poisoned_n mm/kasan/generic.c:135 [inline]
RIP: 0010:memory_is_poisoned mm/kasan/generic.c:166 [inline]
RIP: 0010:check_memory_region_inline mm/kasan/generic.c:182 [inline]
RIP: 0010:check_memory_region+0x83/0x1d0 mm/kasan/generic.c:192
Code: 83 fb 10 0f 8e a9 00 00 00 45 89 c8 41 83 e0 07 75 66 4c 8d 43 07 48 85 db 4c 0f 49 c3 49 c1 f8 03 45 85 c0 0f 84 3f 01 00 00 <48> 83 38 00 75 1c 41 83 e8 01 4e 8d 44 c0 08 48 83 c0 08 49 39 c0
RSP: 0018:ffffc90002a77960 EFLAGS: 00010206
RAX: fffff91ffff02000 RBX: 0000000000001000 RCX: ffffffff818d210f
RDX: 0000000000000001 RSI: 0000000000008000 RDI: ffffe8ffff810000
RBP: ffffc90002a77978 R08: 0000000000000200 R09: fffff91ffff02000
R10: fffff91ffff02fff R11: ffffe8ffff817fff R12: fffff91ffff03000
R13: 0000000000000000 R14: fffffbfff1359c00 R15: 0000000000000000
FS:  00007fba9e18e700(0000) GS:ffff8880aeb00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: fffff91ffff02000 CR3: 000000007eab6000 CR4: 00000000001406e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400